数字 转换成 人民币表达方式例如（1111）转成 “一千一百一拾一元整”

package tOne;import java.math.BigDecimal;public class myTestTwo{ private static final String[] CN_UPPER_NUMBER = { "零", "壹", "贰", "叁", "肆",              "伍", "陆", "柒", "捌", "玖" };     /**       * 汉语中货币单位大写，这样的设计类似于占位符       */      private static final String[] CN_UPPER_MONETRAY_UNIT = { "分", "角", "元",              "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "兆", "拾",              "佰", "仟" };      /**       * 特殊字符：整       */     private static final String CN_FULL = "整";      /**       * 特殊字符：负       */      private static final String CN_NEGATIVE = "负";      /**       * 金额的精度，默认值为2       */      private static final int MONEY_PRECISION = 2;      /**       * 特殊字符：零元整       */      private static final String CN_ZEOR_FULL = "零元" + CN_FULL;        /**       * 把输入的金额转换为汉语中人民币的大写       *        * @param numberOfMoney       *            输入的金额       * @return 对应的汉语大写       */      public static String number2CNMontrayUnit(BigDecimal numberOfMoney) {          StringBuffer sb = new StringBuffer();          // -1, 0, or 1 as the value of this BigDecimal is negative, zero, or          // positive.          int signum = numberOfMoney.signum();          // 零元整的情况          if (signum == 0) {              return CN_ZEOR_FULL;          }          //这里会进行金额的四舍五入          long number = numberOfMoney.movePointRight(MONEY_PRECISION)                  .setScale(0, 4).abs().longValue();          // 得到小数点后两位值          long scale = number % 100;          int numUnit = 0;          int numIndex = 0;          boolean getZero = false;          // 判断最后两位数，一共有四中情况：00 = 0, 01 = 1, 10, 11          if (!(scale > 0)) {              numIndex = 2;              number = number / 100;              getZero = true;          }          if ((scale > 0) && (!(scale % 10 > 0))) {              numIndex = 1;              number = number / 10;              getZero = true;          }          int zeroSize = 0;          while (true) {              if (number <= 0) {                  break;              }              // 每次获取到最后一个数              numUnit = (int) (number % 10);              if (numUnit > 0) {                  if ((numIndex == 9) && (zeroSize >= 3)) {                      sb.insert(0, CN_UPPER_MONETRAY_UNIT[6]);                  }                  if ((numIndex == 13) && (zeroSize >= 3)) {                      sb.insert(0, CN_UPPER_MONETRAY_UNIT[10]);                  }                  sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);                  sb.insert(0, CN_UPPER_NUMBER[numUnit]);                  getZero = false;                  zeroSize = 0;              } else {                  ++zeroSize;                  if (!(getZero)) {                      sb.insert(0, CN_UPPER_NUMBER[numUnit]);                  }                  if (numIndex == 2) {                     if (number > 0) {                         sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);                     }                 } else if (((numIndex - 2) % 4 == 0) && (number % 1000 > 0)) {                     sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);                 }                 getZero = true;             }             // 让number每次都去掉最后一个数             number = number / 10;             ++numIndex;         }         // 如果signum == -1，则说明输入的数字为负数，就在最前面追加特殊字符：负         if (signum == -1) {             sb.insert(0, CN_NEGATIVE);         }         // 输入的数字小数点后两位为"00"的情况，则要在最后追加特殊字符：整         if (!(scale > 0)) {             sb.append(CN_FULL);         }         return sb.toString();     }            public static void main(String[] args) {         double money = 2020004.01;         BigDecimal numberOfMoney = new BigDecimal(money);         String s = myTestTwo.number2CNMontrayUnit(numberOfMoney);         System.out.println("你输入的金额为：【"+ money +"】   #--# [" +s.toString()+"]");     } }